Article(id=1156667041462473285, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156667038362886682, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=null, receivedDateStr=null, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1753700512519, onlineDateStr=2025-07-28, pubDate=1733587200000, pubDateStr=2024-12-08, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1753700512519, onlineIssueDateStr=2025-07-28, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1753700512519, creator=13701087609, updateTime=1753700512519, updator=13701087609, issue=Issue{id=1156667038362886682, tenantId=1146029695717560320, journalId=1146119944283992078, year='2024', volume='2', issue='12', pageStart='0', pageEnd='162', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1753700511780, creator=13701087609, updateTime=1753700731787, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1156667961164288766, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156667038362886682, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1156667961164288767, tenantId=1146029695717560320, journalId=1146119944283992078, issueId=1156667038362886682, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=44, endPage=46, ext={EN=ArticleExt(id=1156667042414580316, articleId=1156667041462473285, tenantId=1146029695717560320, journalId=1146119944283992078, language=EN, title=Optimization of online detection method for total sulfur content in natural gas, columnId=1156641065621906129, journalTitle=Laboratory Testing, columnName=Innovative Applications, runingTitle=null, highlight=null, articleAbstract=
Objective In response to the low accuracy of online detection of total sulfur content in natural gas, a research on online detection method based on gas chromatography-mass spectrometry (GC-MS) technology is carried out. Methods By designing an efficient online sampling method, continuous and stable collection of natural gas samples is achieved, ensuring the representativeness of the tested samples. At the same time, combining the high-resolution and strong qualitative capabilities of GC-MS, detection and analysis conditions for total sulfur content in natural gas are set, and corresponding result calculation algorithms are developed to ensure the accuracy and reliability of the detection results. Results The comparative experiments show that the detection results of the samples tested by the proposed method are highly consistent with the actual total sulfur content, and the deviation is very small. The specific numerical deviation is within$\pm {0.2}\mathrm{{mg}}/{\mathrm{m}}^{3}$, which is significantly smaller than that of the comparison method. Conclusion This method can not only accurately and quickly determine the total sulfur content in natural gas, but also significantly improve the detection accuracy compared with the existing methods, which can effectively meet the strict requirements of natural gas quality monitoring and environmental protection, and provide strong technical support for the online monitoring of total sulfur content in natural gas industry.
, correspAuthors=Zheng XU, authorNote=null, correspAuthorsNote=
*XU Zheng, Assistant Engineer, Shanghai Civil Defense Protection and Rescue Center, Shanghai 200001, China. E-mail:
msxuzheng@qq.com , copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Zheng XU), CN=ArticleExt(id=1156667065076404245, articleId=1156667041462473285, tenantId=1146029695717560320, journalId=1146119944283992078, language=CN, title=天然气中总硫含量在线检测方法优化, columnId=1151957373175820401, journalTitle=实验室检测, columnName=创新应用, runingTitle=null, highlight=null, articleAbstract=
目的 针对天然气中总硫含量在线检测精度低的问题,开展基于气相色谱 - 质谱联用 (gas chromatography-mass spectrometry, GC-MS)技术的在线检测方法研究。方法 通过设计一套高效的在线取样方式, 实现对天然气样品的连续、稳定采集, 保证了检测样品的代表性。同时, 结合 GC-MS 的高分辨率与强定性能力, 设置天然气中总硫含量的检测分析条件,并开发相应的结果计算算法,以确保检测结果的准确性和可靠性。结果 通过对比实验证明,该方法对样品的检测结果与实际总硫含量高度一致,偏差极小,具体数值偏差保持在$\pm {0.2}\mathrm{{mg}}/{\mathrm{m}}^{3}$以内,这一偏差范围显著小于对比方法。结论 该方法不仅能准确快速地测定天然气中的总硫含量, 而且其检测精度相较于现有方法有了显著提升, 能够有效满足天然气质量监控与环境保护的严苛要求, 为天然气工业中总硫含量的在线监测提供了有力的技术支撑。
, correspAuthors=徐正, authorNote=null, correspAuthorsNote=
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 |
徐正,助理工程师,研究方向为化学分析。 |
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*, address=上海市民防防护救援中心 上海 200001, bio={"img":"L5L7VpsAuv5DvaJSrlKPAg==","content":"
徐正,助理工程师,研究方向为化学分析。
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徐正,助理工程师,研究方向为化学分析。
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Flow chart of online sampling, figureFileSmall=oJiH6371BtRzGBYAOtt+aQ==, figureFileBig=N/yXZn4ZCaBcHEUm6ZkepQ==, tableContent=null), ArticleFig(id=1156667080943456644, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156667041462473285, language=CN, label=图 1, caption=
在线取样流程图, figureFileSmall=oJiH6371BtRzGBYAOtt+aQ==, figureFileBig=N/yXZn4ZCaBcHEUm6ZkepQ==, tableContent=null), ArticleFig(id=1156667081002176901, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156667041462473285, language=EN, label=Fig. 2, caption=
Composition of multi-component gas reference materials in natural gas samples, figureFileSmall=mYOXbv5EabIzduQ3q4l3zg==, figureFileBig=iR/rP49Pgl5gjYCHffmVWw==, tableContent=null), ArticleFig(id=1156667081069285768, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156667041462473285, language=CN, label=图 2, caption=
天然气样本中多组分气体标准物质组成情况, figureFileSmall=mYOXbv5EabIzduQ3q4l3zg==, figureFileBig=iR/rP49Pgl5gjYCHffmVWw==, tableContent=null), ArticleFig(id=1156667081144783245, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156667041462473285, language=EN, label=Table 1, caption=
Gas chromatograph-mass spectrometry analysis condition setting table, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 项目 | 参数设置 |
| (1) | 进样口温度 | ${55}^{\circ }\mathrm{C}$ |
| (2) | 柱温 | ${65}^{\circ }\mathrm{C}$ |
| (3) | 检测仪温度 | ${150}^{\circ }\mathrm{C}$ |
| (4) | 氮气流量 | 30 mL/min |
| (5) | 氢气流量 | 60 mL/min |
| (6) | 定量管体积 | 0.25 mL |
), ArticleFig(id=1156667081241252242, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156667041462473285, language=CN, label=表 1, caption=
气相色谱 - 质谱联用仪分析条件设置表, figureFileSmall=null, figureFileBig=null, tableContent=
| 序号 | 项目 | 参数设置 |
| (1) | 进样口温度 | ${55}^{\circ }\mathrm{C}$ |
| (2) | 柱温 | ${65}^{\circ }\mathrm{C}$ |
| (3) | 检测仪温度 | ${150}^{\circ }\mathrm{C}$ |
| (4) | 氮气流量 | 30 mL/min |
| (5) | 氢气流量 | 60 mL/min |
| (6) | 定量管体积 | 0.25 mL |
), ArticleFig(id=1156667081299972501, tenantId=1146029695717560320, journalId=1146119944283992078, articleId=1156667041462473285, language=EN, label=Table 2, caption=
Comparison table of the detection results of the three detection methods, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 检测结果 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 实际含量 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 编号 | 检测结果 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 实际含量 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 编号 | 检测结果 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 实际含量 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ |
| 1# | 126.5 | 126.4 | 6# | 126.8 | 124.3 | 11# | 126.8 | 124.5 |
| 2# | 126.2 | 126.5 | 7# | 126.4 | 123.5 | 12# | 126.5 | 122.6 |
| 3# | 126.4 | 126.4 | 8# | 126.5 | 123.6 | 13# | 126.9 | 122.5 |
| 4# | 126.3 | 126.5 | 9# | 126.3 | 124.5 | 14# | 126.5 | 123.5 |
| 5# | 126.5 | 126.4 | 10# | 126.5 | 123.6 | 15# | 126.4 | 122.5 |
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三种检测方法检测结果对比表, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 检测结果 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 实际含量 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 编号 | 检测结果 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 实际含量 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 编号 | 检测结果 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ | 实际含量 $\left({\mathrm{{mg}}/{\mathrm{m}}^{3}}\right)$ |
| 1# | 126.5 | 126.4 | 6# | 126.8 | 124.3 | 11# | 126.8 | 124.5 |
| 2# | 126.2 | 126.5 | 7# | 126.4 | 123.5 | 12# | 126.5 | 122.6 |
| 3# | 126.4 | 126.4 | 8# | 126.5 | 123.6 | 13# | 126.9 | 122.5 |
| 4# | 126.3 | 126.5 | 9# | 126.3 | 124.5 | 14# | 126.5 | 123.5 |
| 5# | 126.5 | 126.4 | 10# | 126.5 | 123.6 | 15# | 126.4 | 122.5 |
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